function is_successful($content)
{
	if(preg_match("/onclick=\"tishi()/",$content))
	{
		
		//header("Location: denglu.html");
		echo "<meta http-equiv='Content-Type' content='text/html; charset=utf-8'> 
		<script>alert('密码或账号错误'); 
		location.href='denglu.html'</script>";
	}
}